diff --git a/contrib/templates/placebo/thread.mustache b/contrib/templates/placebo/thread.mustache
index 618ea7a..2fb5071 100644
--- a/contrib/templates/placebo/thread.mustache
+++ b/contrib/templates/placebo/thread.mustache
@@ -22,7 +22,7 @@
         <meta property="og:site_name" content="changolia" />
         <meta property="og:type" content="website"/>
         <meta property="og:title" content="{{board.Board}}"/>
-        <meta property="og:description" content="thread no. {{thread.PostHash}} on changolia"/>
+        <meta property="og:description" content="thread no. {{thread.OP.PostHash}} on changolia"/>
         <meta property="og:url" content="{{thread.OP.PostURL}}"/>
         <meta property="og:image"
               content="{{thread.Prefix}}static/changolia-logo.png"/>